Erlaube mehrere System-Backends

1 files changed, 23 insertions, 20 deletions

diff --git a/src/Common/SystemBackend.h b/src/Common/SystemBackend.h
index 8ba1e7d..960082e 100644
--- a/src/Common/SystemBackend.h
+++ b/src/Common/SystemBackend.h
@@ -20,24 +20,12 @@
 #ifndef MAD_COMMON_SYSTEMBACKEND_H_
 #define MAD_COMMON_SYSTEMBACKEND_H_
 
-#include <stdint.h>
-#include <string>
-#include <memory>
+#include <set>
 
 namespace Mad {
 namespace Common {
 
 class SystemBackend {
-  private:
-    static std::auto_ptr<SystemBackend> backend;
-
-  protected:
-    SystemBackend() {}
-
-    static void setBackend(std::auto_ptr<SystemBackend> backend0) {
-      backend = backend0;
-    }
-
   public:
     struct UptimeInfo {
       unsigned long uptime;
@@ -59,26 +47,41 @@ class SystemBackend {
       float loadAvg15;
     };
 
-    virtual ~SystemBackend() {}
+  private:
+    static std::set<SystemBackend*> backends;
+
+  protected:
+    SystemBackend() {}
+
+    static void registerBackend(SystemBackend *backend) {
+      backends.insert(backend);
+    }
+
+    static void unregisterBackend(SystemBackend *backend) {
+      backends.erase(backend);
+    }
 
-    virtual UptimeInfo getUptimeInfo() {
+    virtual UptimeInfo uptimeInfo() {
       UptimeInfo ret = {0, 0};
       return ret;
     }
 
-    virtual MemoryInfo getMemoryInfo() {
+    virtual MemoryInfo memoryInfo() {
       MemoryInfo ret = {0, 0, 0, 0};
       return ret;
     }
 
-    virtual LoadInfo getLoadInfo() {
+    virtual LoadInfo loadInfo() {
       LoadInfo ret = {0, 0, 0, 0, 0};
       return ret;
     }
 
-    static SystemBackend *getBackend() {
-      return backend.get();
-    }
+  public:
+    virtual ~SystemBackend() {}
+
+    static UptimeInfo getUptimeInfo();
+    static MemoryInfo getMemoryInfo();
+    static LoadInfo getLoadInfo();
 };
 
 }